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參數(shù)資料
| 型號(hào)： | TNT4882-BQ |
| 英文描述： | Peripheral Miscellaneous |
| 中文描述： | 周邊雜項(xiàng) |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大小： | 165K |
| 代理商： | TNT4882-BQ |
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TNT4882
Single-Chip IEEE 488.2 Talker/Listener ASIC
National Instruments
Phone: (512) 794-0100 Fax: (512) 683-9300 info@natinst.com www.natinst.com
12
WRN
DRQ
DACKN
DATA15-0
t
WS
t
WH
t
DU
t
DS
t
DH
Figure 10. DMA Write
Waveforms continued from page 11
ISA Mode DC Characteristics
Parameter
Supply voltage
Voltage input low
Voltage input high
Voltage output low
Voltage output high
Supply current
Output current low
DATA15-0
DRQ, INTR, IOCS16, IOCHRDY
Output current low
D7_0_OEN
Output current low
D15_8_OEN, TP_INTWTN
Output current low
KEYDQ, KEYRSTN, KEYCLKN
Output current low
DIO8-1N, RENN, ATNN, IFCN, SRQN,
DAVN, EOIN, NDACN, NRFDN
Output current high
DATA15-0
DRQ, INTR
Output current high
D7_0_OEN
Symbol
V
DD
V
IL
V
IH
V
OL
V
OH
I
DD
I
OL
Min
4.75
-0.5
2.0
0.0
2.4
Max
5.25
0.8
V
CC
0.4
V
DD
90
24
Unit
V
V
V
V
V
mA
mA
Notes
50 mA, typical
V
OL
= 0.4 V
I
OL
16
mA
V
OL
= 0.4 V
I
OL
8
mA
V
OL
= 0.4 V
I
OL
2
mA
V
OL
= 0.4 V
I
OL
48
mA
V
OL
= 0.4 V
I
OH
-12
mA
V
OH
= V
DD
-0.5 V
-24
-8
mA
mA
V
OH
= 2.4 V
V
OH
= V
DD
-0.5 V
I
OH
-16
-4
mA
mA
V
OH
= 2.4 V
V
OH
= V
DD
-0.5 V
Output current high
D15_8_OEN,
TP_INTWTN
Output current high
KEYDQ, KEYRSTN,
KEYCLKN
Output current high
DIO8-1N, RENN, ATNN, IFCN, SRQN,
DAVN, EOIN, NDACN, NRFDN
Input leakage current – all pins
Output leakage current – all pins
I
OH
-8
-1
mA
mA
V
OH
= 2.4 V
V
OH
= V
DD
-0.5 V
I
OH
-2
mA
V
OH
= 2.4 V
I
OH
-16
mA
V
OH
= 2.4 V
I
IH
I
OZ
±10
±10
mA
mA
V
DD
= 5.5 V
V
DD
= 5.5 V
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